> For the complete documentation index, see [llms.txt](https://dev.guardian.hedera.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://dev.guardian.hedera.com/developer-tools-and-resources/api-reference/schema-creation-using-the-guardian-apis/deleting-a-schema.md).

# Deleting a Schema

**`DELETE /api/v1/schemas/{schemaId}`**

Deletes the schema with the specified ID. Only users with the Standard Registry role are allowed to make this request. Published or demo-mode schemas cannot be deleted.

**Authentication:** Bearer token required (`Authorization: Bearer <token>`)

**Permission:** `Permissions.SCHEMAS_SCHEMA_DELETE`

***

## Request

### Path Parameters

| Parameter  | Type   | Required | Description                                      |
| ---------- | ------ | -------- | ------------------------------------------------ |
| `schemaId` | string | Yes      | The internal database ID of the schema to delete |

### Query Parameters

| Parameter         | Type    | Required | Default | Description                                 |
| ----------------- | ------- | -------- | ------- | ------------------------------------------- |
| `includeChildren` | boolean | No       | `false` | When `true`, also deletes all child schemas |

***

## Response

### Success Response

**Status:** `200 OK`

The deletion is processed asynchronously. The response contains a task object.

```json
{
  "taskId": "63e3e5e8a01b3c001234abcd",
  "expectation": "Delete schema"
}
```

Poll `GET /tasks/{taskId}` to retrieve the result.

### Error Responses

| Status                      | Description                                                 |
| --------------------------- | ----------------------------------------------------------- |
| `401 Unauthorized`          | Missing or invalid token                                    |
| `403 Forbidden`             | Insufficient permissions or schema is owned by another user |
| `404 Not Found`             | Schema with the provided ID does not exist                  |
| `422 Unprocessable Entity`  | Schema is already published or imported in demo mode        |
| `500 Internal Server Error` | Unexpected server failure                                   |